(I) Lingaliro laepoxy utomoni
Epoxy utomoni amatanthauza polima unyolo dongosolo lili ndi magulu awiri kapena kuposa epoxy mu mankhwala polima, ndi wa thermosetting utomoni, woimira utomoni ndi bisphenol A mtundu epoxy utomoni.
(II) Makhalidwe a epoxy resins (omwe nthawi zambiri amatchedwa bisphenol A type epoxy resins)
1. Mtengo wa epoxy resin payekha ndi wotsika kwambiri, uyenera kugwiritsidwa ntchito limodzi ndi wothandizira mankhwala kuti ukhale wothandiza.
2. Mphamvu yolumikizana kwambiri: mphamvu yolumikizana ndi zomatira za epoxy resin zili patsogolo pa zomatira zopangira.
3. Kuchiritsa shrinkage ndi yaing'ono, mu zomatira epoxy utomoni zomatira shrinkage ndi yaing'ono, amenenso epoxy utomoni zomatira kuchiritsa zomatira mkulu chimodzi mwa zifukwa.
4. Kukaniza kwamankhwala kwabwino: gulu la ether, mphete ya benzene ndi gulu la aliphatic hydroxyl mu njira yochiritsira siliphwanyidwa mosavuta ndi asidi ndi alkali. M'madzi a m'nyanja, petroleum, palafini, 10% H2SO4, 10% HCl, 10% HAc, 10% NH3, 10% H3PO4 ndi 30% Na2CO3 angagwiritsidwe ntchito kwa zaka ziwiri; ndi 50% H2SO4 ndi 10% HNO3 kumizidwa pa kutentha kwapakati kwa theka la chaka; Kumizidwa kwa 10% NaOH (100 ℃) kwa mwezi umodzi, ntchitoyo imakhala yosasinthika.
5. Kutsekemera kwamagetsi kwabwino kwambiri: mphamvu yowonongeka ya epoxy resin ikhoza kukhala yaikulu kuposa 35kv / mm 6. Kuchita bwino kwa ndondomeko, kukhazikika kwa kukula kwa mankhwala, kukana bwino komanso kuyamwa kwa madzi otsika. Ubwino wa Bisphenol A-type epoxy resin ndi wabwino, komanso uli ndi zovuta zake: ①. Kukhuthala kogwira ntchito, komwe kumawoneka kuti ndikovuta pakumanga ②. Zinthu zochiritsidwa zimakhala zowonongeka, elongation ndi yaying'ono. ③. Low peel mphamvu. ④. Kulephera kukana kugwedezeka kwa makina ndi kutentha.
(III) kugwiritsa ntchito ndi chitukuko chaepoxy utomoni
1. Mbiri yachitukuko cha epoxy resin: epoxy resin idagwiritsidwa ntchito ku Swiss patent ndi P.Castam mu 1938, zomatira zakale kwambiri za epoxy zidapangidwa ndi Ciba mu 1946, ndipo zokutira za epoxy zidapangidwa ndi SOCreentee waku USA mu 1949, ndi Kupanga kwamafakitale kwa epoxy resin kudayamba mu 1958.
2. Kugwiritsa ntchito utomoni wa epoxy: ① Makampani okutira: utomoni wa epoxy pamakampani opaka utoto umafunikira zokutira zokhala ndi madzi, zokutira zaufa ndi zokutira zolimba kwambiri zimagwiritsidwa ntchito kwambiri. Angagwiritsidwe ntchito mu muli payipi, magalimoto, zombo, Azamlengalenga, zamagetsi, zidole, zaluso ndi mafakitale ena. ② makampani amagetsi ndi zamagetsi: zomatira za epoxy resin zitha kugwiritsidwa ntchito pazinthu zotchinjiriza zamagetsi, monga zosinthira, zosinthira, zomata; kusindikiza ndi kuteteza zipangizo zamagetsi; mankhwala electromechanical, kutchinjiriza ndi kugwirizana; kusindikiza ndi kugwirizana kwa mabatire; capacitors, resistors, inductors, pamwamba pa chovala. ③ Zodzikongoletsera zagolide, zaluso, zamasewera: zitha kugwiritsidwa ntchito ngati zizindikiro, zodzikongoletsera, zizindikiro, zida, ma rackets, zida zausodzi, zinthu zamasewera, zaluso ndi zinthu zina. ④ Makampani a Optoelectronic: atha kugwiritsidwa ntchito kuyika, kudzaza ndi kulumikiza ma diode otulutsa kuwala (LED), machubu a digito, machubu a pixel, zowonetsera zamagetsi, kuyatsa kwa LED ndi zinthu zina. ⑤ Makampani omanga: Adzagwiritsidwanso ntchito kwambiri mumsewu, mlatho, pansi, zitsulo, zomangamanga, zokutira khoma, madamu, zomangamanga, kukonza zikhalidwe ndi mafakitale ena. ⑥ zomatira, sealants ndi kompositi munda: monga chopangira mphepo masamba, ntchito zamanja, ziwiya zadothi, galasi ndi mitundu ina ya kugwirizana pakati pa zinthu, mpweya CHIKWANGWANI pepala gulu, microelectronic kusindikiza zipangizo ndi zina zotero.
(IV) Makhalidwe azomatira za epoxy resin
1. epoxy utomoni zomatira zachokera epoxy utomoni makhalidwe reprocessing kapena kusinthidwa, kuti magawo ake ntchito mogwirizana ndi zofunika zenizeni, kawirikawiri epoxy utomoni zomatira ayeneranso kukhala ndi kuchiritsa wothandizila ndi ntchito, ndipo ayenera kukhala. Zomatira zomatira za epoxy resin zomwe zimadziwika kuti A guluu kapena main agent, machiritso omwe amadziwika kuti guluu B kapena mankhwala ochiritsira (hardener).
2. kusonyeza makhalidwe aakulu a epoxy utomoni zomatira pamaso kuchiritsa ndi: mtundu, mamasukidwe akayendedwe, yeniyeni mphamvu yokoka, chiŵerengero, gel osakaniza nthawi, nthawi yopezeka, kuchiritsa nthawi, thixotropy (kusiya otaya), kuuma, pamwamba mavuto ndi zina zotero. Viscosity (Viscosity): ndi kukana kwamkati kwa colloid mukuyenda, mtengo wake umatsimikiziridwa ndi mtundu wa zinthu, kutentha, ndende ndi zina.
Gel nthawi: kuchiritsa kwa guluu ndi njira yosinthira kuchokera kumadzi kupita ku kulimba, kuyambira pachiyambi cha zomwe guluu limachita kupita ku malo ovuta a gel osakaniza amakhala ndi nthawi yolimba ya nthawi ya gel, yomwe imatsimikiziridwa ndi kuchuluka kwa kusakanikirana kwa epoxy resin. guluu, kutentha ndi zinthu zina.
Thixotropy: Khalidwe limeneli limatanthawuza colloid anakhudzidwa ndi mphamvu zakunja (kugwedeza, kugwedeza, kugwedera, akupanga mafunde, etc.), ndi mphamvu kunja kuchokera wandiweyani kuti woonda, pamene zinthu zakunja kusiya ntchito ya colloid kubwerera pachiyambi pamene kusasinthasintha kwa zochitikazo.
Kuuma: amatanthauza kukana kwa zinthu ku mphamvu zakunja monga embossing ndi kukanda. Malingana ndi njira zosiyanasiyana zoyesera za Shore (Shore) kuuma, Brinell (Brinell) kuuma, Rockwell (Rockwell) kuuma, Mohs (Mohs) kuuma, Barcol (Barcol) kuuma, Vickers (Vichers) kuuma ndi zina zotero. Mtengo wa kuuma ndi kuuma kwa mtundu woyesera wokhudzana ndi woyesa kuuma womwe umagwiritsidwa ntchito nthawi zambiri, mawonekedwe a shore hardness tester ndi osavuta, oyenera kuyang'anira kupanga, Woyesa kuuma kwa m'mphepete mwa nyanja akhoza kugawidwa mu mtundu A, C mtundu, D mtundu, A-mtundu woyezera zofewa. colloid, C ndi D-mtundu wa muyeso wa theka-wolimba ndi wolimba colloid.
Kupanikizika pamwamba: kukopa kwa mamolekyu mkati mwa madzi kuti mamolekyu omwe ali pamwamba pa mphamvu yamkati, mphamvuyi imapangitsa kuti madzi azitha kuchepetsa malo ake komanso kupanga kufanana ndi pamwamba pa mphamvu, yotchedwa kukangana pamwamba. Kapena kukopana pakati pa magawo awiri oyandikana a pamwamba pa madzi pa unit kutalika, ndi chiwonetsero cha maselo mphamvu. Mphamvu yapamtunda ndi N/m. Kukula kwa zovuta zapamtunda kumakhudzana ndi chikhalidwe, chiyero ndi kutentha kwa madzi.
3. Kuwonetsa makhalidwe azomatira za epoxy resinmutatha kuchiza zinthu zazikuluzikulu ndi izi: kukana, voteji, kuyamwa madzi, mphamvu yopondereza, kulimba (kukhazikika) mphamvu, kumeta ubweya, mphamvu ya peel, mphamvu yamphamvu, kutentha kwa kutentha, kutentha kwa magalasi, kupsinjika kwamkati, kukana mankhwala, elongation, shrinkage coefficient , matenthedwe madutsidwe, madutsidwe magetsi, nyengo, kukana kukalamba, ndi zina zotero.
Kukaniza: Fotokozani mawonekedwe okana zinthu omwe nthawi zambiri amakhala ndi kukana pamwamba kapena kukana kuchuluka. Kukaniza pamwamba kumangokhala pamtunda womwewo pakati pa ma elekitirodi awiri omwe amayezedwa kukana, unit ndi Ω. Maonekedwe a electrode ndi mtengo wotsutsa akhoza kuwerengedwa mwa kuphatikiza resistivity pamwamba pa gawo la unit. Kukana kwa voliyumu, komwe kumadziwikanso kuti kukana kwa voliyumu, kukana kwa voliyumu, kumatanthawuza kukana chifukwa cha makulidwe azinthuzo, ndi chizindikiro chofunikira chowonetsera mphamvu zamagetsi za dielectric kapena insulating. Ndilo index yofunikira kuti iwonetse mphamvu zamagetsi za dielectric kapena insulating materials. 1cm2 dielectric kukana kutayikira pano, gawo ndi Ω-m kapena Ω-cm. kukula kwa resistivity, ndi bwino zotetezera katundu.
Umboni wamagetsi: yomwe imadziwikanso kuti kupirira mphamvu yamagetsi (mphamvu ya insulation), kukweza kwa voliyumu kumawonjezera kumapeto kwa colloid, kuchuluka kwazinthu zomwe zili mkati mwazinthuzo zimayendetsedwa ndi mphamvu yamagetsi, m'pamenenso angapangitse kugundana, zomwe zimapangitsa kuwonongeka kwa colloid. Pangani kuwonongeka kwa insulator kwa voliyumu yotsika kwambiri kumatchedwa chinthu chamagetsi owonongeka. Pangani 1 mm wandiweyani insulating zinthu kuwonongeka, ayenera kuwonjezera voteji kilovolts wotchedwa insulating zinthu kutchinjiriza kupirira voteji mphamvu, amatchedwa kupirira voteji, wagawo ndi: Kv/mm. insulating zinthu kutchinjiriza ndi kutentha ndi ubwenzi wapamtima. Kutentha kwapamwamba, kumapangitsanso kuti insulating iwonongeke kwambiri. Pofuna kuonetsetsa mphamvu kutchinjiriza aliyense insulating zakuthupi ali yoyenera pazipita kololeka ntchito kutentha, mu kutentha m'munsimu, angagwiritsidwe ntchito bwinobwino kwa nthawi yaitali, kuposa kutentha adzakhala mofulumira kukalamba.
Kuyamwa madzi: Ndi muyeso wa kuchuluka kwa zinthu zomwe zimatengera madzi. Amatanthauza kuchuluka kwa kuchuluka kwa chinthu chomizidwa m'madzi kwa nthawi inayake pa kutentha kwina.
Kulimba kwamakokedwe: Mphamvu yolimba ndiyo kupsinjika kwakukulu komwe kumapangitsa gel osakaniza kuti athyoke. Imadziwikanso kuti mphamvu yamakomedwe, mphamvu yamagetsi, mphamvu yamagetsi, mphamvu yokhazikika. Unit ndi MPa.
Kumeta ubweya mphamvu: yomwe imadziwikanso kuti kumeta ubweya wa ubweya, imatanthawuza malo omangirira amtundu amatha kupirira katundu wambiri wofanana ndi malo omangira, omwe amagwiritsidwa ntchito kwambiri ndi MPa.
Peel mphamvu: yomwe imadziwikanso kuti mphamvu ya peel, ndiye kuchuluka kwa kuwonongeka kwakukulu pamlingo wamtundu uliwonse womwe ungathe kupirira, ndi muyeso wa mzere wa mphamvu yamphamvu, unit ndi kN / m.
Elongation: imatanthawuza colloid mu mphamvu yowonongeka pansi pakuchita kwa kutalika kwa kuwonjezeka kwa kutalika koyambirira kwa chiwerengerocho.
Kutentha kwapang'onopang'ono kutentha: imatanthawuza muyeso wa kukana kwa kutentha kwa zinthu zochiritsira, ndi chitsanzo chochiritsa chomizidwa mu mtundu wa isothermal kutentha kutengera sing'anga yoyenera kutengera kutentha, mumayendedwe opindika amtundu wa mtengo womwe umangothandizidwa, kuyeza mawonekedwe opindika kufika pamtengo wotchulidwa wa kutentha, ndiko kuti, kutentha kwa kutentha, komwe kumatchedwa kutentha kwa kutentha, kapena HDT.
Kutentha kwa kusintha kwa galasi: amatanthauza zinthu kuchiritsidwa kuchokera galasi mawonekedwe kwa amorphous kapena zotanuka kwambiri kapena madzimadzi dziko kusintha (kapena zosiyana ndi kusintha) wa yopapatiza kutentha osiyanasiyana pafupifupi m'ma mfundo, lotchedwa galasi kusintha kutentha, kawirikawiri anasonyeza mu Tg, ndi chizindikiro cha kukana kutentha.
Mlingo wa kuchepa: amatanthauzidwa kuti chiwerengero cha chiŵerengero cha kuchepa kwa kukula chisanatsike, ndipo kuchepa ndi kusiyana pakati pa kukula kusanayambe kapena pambuyo pa kuchepa.
Kupsinjika kwamkati: amatanthauza kusowa kwa mphamvu zakunja, colloid (zinthu) chifukwa cha kukhalapo kwa zolakwika, kusintha kwa kutentha, zosungunulira, ndi zifukwa zina za kupsinjika kwamkati.
Chemical resistance: amatanthauza kutha kukana ma acid, alkalis, salt, solvents ndi mankhwala ena.
Kukana kwamoto: Kumatanthawuza kukhoza kwa zinthuzo kukana kuyaka pamene zakhudzana ndi lawi lamoto kapena kulepheretsa kupitiriza kuyaka kukakhala kutali ndi lawi.
Kukana kwanyengo: Amatanthauza kukhudzana ndi kuwala kwa dzuwa, kutentha ndi kuzizira, mphepo ndi mvula ndi nyengo zina.
Kukalamba: kuchiritsa colloid pakukonza, kusungirako ndi kugwiritsa ntchito njira, chifukwa cha zinthu zakunja (kutentha, kuwala, mpweya, madzi, kuwala, mphamvu zamakina ndi media media, etc.), kusintha kwa thupi kapena mankhwala, kuti polima zinthu crosslinking Chimaona, akulimbana yomata, kusinthika ang'onoang'ono akulimbana, akhakula matuza, pamwamba chalking, delamination flaking, ntchito ya kuwonongeka kwapang'onopang'ono wa mawotchi zimatha imfa ya imfa sangathe ntchito, chodabwitsa ichi amatchedwa kukalamba. Chochitika cha kusinthaku chimatchedwa kukalamba.
Dielectric nthawi zonse: yomwe imadziwikanso kuti capacitance rate, induced rate (Permittivity). Amatanthawuza "gawo lililonse" la chinthucho, mugawo lililonse la "kuthawirako" kungapulumutse "electrostatic energy" (Electrostatic Energy) ya How much. Pamene colloid "permeability" kwambiri (ndiko kuti, kuipa kwambiri khalidwe), ndi awiri pafupi ndi waya panopa ntchito, n'kovuta kwambiri kufika zotsatira za kutchinjiriza wathunthu, mwa kuyankhula kwina, m'pamenenso kwambiri kutulutsa mlingo wa kutayikira. Choncho, dielectric mosasinthasintha wa insulating zakuthupi ambiri, ang'onoang'ono bwino. Kukhazikika kwa dielectric kwamadzi ndi 70, chinyezi chochepa kwambiri, chidzapangitsa kusintha kwakukulu.
4. ambiri azomatira za epoxy resinndi zomatira zopangira kutentha, zimakhala ndi zinthu zazikuluzikulu zotsatirazi: kutentha kwapamwamba kumachiritsira mofulumira; kuchuluka kosakanikirana kumapangitsanso kuchiritsa mwachangu; machiritso ndondomeko ali exothermic chodabwitsa.
Malingaliro a kampani Shanghai Orisen New Material Technology Co., Ltd
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